Home / 201,735.10-302,515.08-68,579.56

Finding the Fourth Proportional to 201,735.10, 302,515.08 and 68,579.56

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Solution

The fourth proportional to 201,735.10, 302,515.08 and 68,579.56 is: 102,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,735.10 : 302,515.08 = 68,579.56 : x
  2. Step 2: Convert to fraction form
    201,735.10/302,515.08 = 68,579.56/x
  3. Step 3: Cross multiply
    201,735.10x = 302,515.08 × 68,579.56
  4. Step 4: Simplify right side
    201,735.10x = 20,746,351,079.76
  5. Step 5: Solve for x
    x = 20,746,351,079.76/201,735.10
  6. Step 6: Final answer
    x = 102,839.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.